drm/i915: add rcs topology to error state

This might be useful information for developers looking at an error
state.

v2: Place topology towards the end of the error state (Chris)

v3: Reuse common printing code (Michal)

v4: Make this a one-liner (Chris)

Signed-off-by: Lionel Landwerlin <[e-mail]>
Reviewed-by: Tvrtko Ursulin <[e-mail]>
Acked-by: Chris Wilson <[e-mail]>
Link: https://patchwork.freedesktop.org/patch/msgid/[e-mail]

drivers/gpu/drm/i915/i915_gpu_error.c

···
 
 	intel_device_info_dump_flags(info, &p);
 	intel_driver_caps_print(caps, &p);
+	intel_device_info_dump_topology(&info->sseu, &p);
 }
 
 static void err_print_params(struct drm_i915_error_state_buf *m,